Table 1: Results of the observations.
Position Offsets Line $T_{{\rm mb}}$ Velocity Width $I_{{\rm CO}}$ $M_{{\rm gas}}$ T21/T10
  [ $'' \times ''$]   [mK] [km s-1] [km s-1] [K km s-1] [10 $^8~M_\odot$]  
Off1 [3, 33] CO(1-0) $2 \pm 1.0$ $33.3\pm 37.1$ $237.6 \pm 59.8$ $0.5 \pm 0.1$ 1.1  
Off1 [3, 33] CO(2-1) $5.3 \pm 1.8$ - $55.2 \pm 26$ $275 \pm 47.7$ $1.5 \pm 0.3$    
Off1 [3, 33] CO(2-1) $4.7 \pm 0.8$ - $18.4 \pm 12.9$ $247.1 \pm 26.7$ $1.2 \pm 0.1$   2.4
Off2 [3, 69] CO(1-0) $2.5\pm 0.6$ $ 49 \pm 13.4$ $128.5\pm 31.1$ $0.3 \pm 0.1$ 0.8  
Off2 [3, 69] CO(2-1) $7.8\pm 2.3$ - $21.8 \pm 20.7$ $210.6 \pm 43$ $1.8 \pm 0.3$    
Off2 [3, 69] CO(2-1) $4 \pm 1.2$ - $29.3 \pm 25$ $187.3 \pm 73.9$ $0.8 \pm 0.2$   1.6
Off3 [21, -9] CO(1-0) $15.2 \pm 2.9$ - $91.2 \pm 8.4 $ $93 \pm 16.9$ $1.5 \pm 0.3$ 3.5  
Off3 [21, -9] CO(2-1) $9.4 \pm 3.1$ - $88.1 \pm 24.7$ $276.6 \pm 48.6$ $2.77 \pm 0.5$    
Off3 [21, -9] CO(2-1) $8.2 \pm 0.9$ - $62.8 \pm 6.5$ $153.8 \pm 17.7$ $1.34 \pm 0.1$   0.5
Pos11 [-45, 51] CO(1-0) $1.5 \pm 0.7$ $65 \pm 32.2$ $272.6 \pm 119.9$ $0.44 \pm 0.13$ 1  
Pos11 [-45, 51] CO(2-1) $3 \pm 1.5$ $55 \pm 21.5$ $96.2 \pm 45.6$ $0.31 \pm 0.13$   2*
Pos11 [-45, 51] CO(2-1) $\le$3$\times$ 1.3 - - -    
Pos2 [-45, -51] CO(1-0) $1.9 \pm 0.9$ - $47.8 \pm 25.7$ $116.9 \pm 48.1$ $0.2 \pm 0.1$ 0.5  
Pos2 [-45, -51] CO(2-1) $3.8 \pm 1.6$ - $65.4 \pm 27.9$ $205 \pm 53.2$ $0.8 \pm 0.2$    
Pos2 [-45, -51] CO(2-1) $2.3 \pm 1.0$ - $64.4 \pm 23.2$ $140.6 \pm 51.1$ $0.3 \pm 0.1$   1.2
East [27, 3] CO(1-0) $23.4 \pm 4.5$ - $109.1 \pm 9.1$ $106.2 \pm 20.1$ $2.6 \pm 0.5$ 6.2  
East [27, 3] CO(2-1) $36.2 \pm 4.5$ - $84.3 \pm 6.4$ $124.3 \pm 15.9$ $4.7 \pm 0.5$    
East [27, 3] CO(2-1) $13.4 \pm 1.0$ - $71.4 \pm 3.7$ $127.5 \pm 9.9$ $1.8 \pm 0.1$   0.6
Test [45, 33] CO10 $\le$$3\times$1.6 - - - -  
Test [45, 33] CO21 $\le$$3\times$5.9 - - -    
* Estimated without the HERA data. Note that the CO(1-0) could be half the value
in the table here, see spectra on Fig. 2.

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