C123132112322333121111113121111331333133313231333133323223312122212113213111   >>    C12313211232233312111111312111133133313331323133313332322331212221211321311   <<    C123132112322333121111113121111331333133313231333133323223312122212113213113   >>      C123132112322333121111113121111331333133313231333133323223312122212113213112   >>