C31232233133313221211113313331333132313232233133313331211111133132213331121   >>    C3123223313331322121111331333133313231323223313331333121111113313221333112   <<    C31232233133313221211113313331333132313232233133313331211111133132213331123   >>      C31232233133313221211113313331333132313232233133313331211111133132213331122   >>