C31232233133313221211113313331333132313331322121111133313123323121   >>    C3123223313331322121111331333133313231333132212111113331312332312   <<    C31232233133313221211113313331333132313331322121111133313123323123   >>      C31232233133313221211113313331333132313331322121111133313123323122   >>