C31232233133313221211113313331333132313331323331333133313132322321333121   >>    C3123223313331322121111331333133313231333132333133313331313232232133312   <<    C31232233133313221211113313331333132313331323331333133313132322321333123   >>      C31232233133313221211113313331333132313331323331333133313132322321333122   >>