C123132112322333121111113121111331333133313231333232323221333221   >>    C12313211232233312111111312111133133313331323133323232322133322   <<    C123132112322333121111113121111331333133313231333232323221333223   >>      C123132112322333121111113121111331333133313231333232323221333222   >>