C31232233133313221211113313331333132313331333133313121111331333132313212111   >>    C3123223313331322121111331333133313231333133313331312111133133313231321211   <<    C31232233133313221211113313331333132313331333133313121111331333132313212113   >>      C31232233133313221211113313331333132313331333133313121111331333132313212112   >>