3 1 3 1 3 1 3






0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0



0



0



0



0
1 1 1 1
1 1 1 1
1 1 1 1



0


1 1



0



0



1



0


1 1


1 1


1 1



2



0



0



0

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