C31232233133313221211113313331333132313331333133313331322131333121   >>    C3123223313331322121111331333133313231333133313331333132213133312   <<    C31232233133313221211113313331333132313331333133313331322131333123   >>      C31232233133313221211113313331333132313331333133313331322131333122   >>