C31232233133313221211113313331333132313331322121111332212111133112333121   >>    C3123223313331322121111331333133313231333132212111133221211113311233312   <<    C31232233133313221211113313331333132313331322121111332212111133112333123   >>      C31232233133313221211113313331333132313331322121111332212111133112333122   >>