C31232233133313221211113313331333132313331322121111121133132332331121   >>    C3123223313331322121111331333133313231333132212111112113313233233112   <<    C31232233133313221211113313331333132313331322121111121133132332331123   >>      C31232233133313221211113313331333132313331322121111121133132332331122   >>