C31232233133313221211113313331333132313331333133313331333133313331211333121   >>    C3123223313331322121111331333133313231333133313331333133313331333121133312   <<    C31232233133313221211113313331333132313331333133313331333133313331211333123   >>      C31232233133313221211113313331333132313331333133313331333133313331211333122   >>