C31232233133313221211113313331333132313331333133313331323132332211   >>    C3123223313331322121111331333133313231333133313331333132313233221   <<    C31232233133313221211113313331333132313331333133313331323132332213   >>      C31232233133313221211113313331333132313331333133313331323132332212   >>