C31232233133313221211113313331333132313331333133313331333133313221211331121   >>    C3123223313331322121111331333133313231333133313331333133313331322121133112   <<    C31232233133313221211113313331333132313331333133313331333133313221211331123   >>      C31232233133313221211113313331333132313331333133313331333133313221211331122   >>