C31232233133313221211113313331333132313331322121111331123313332212311   >>    C3123223313331322121111331333133313231333132212111133112331333221231   <<    C31232233133313221211113313331333132313331322121111331123313332212313   >>      C31232233133313221211113313331333132313331322121111331123313332212312   >>