C31232233133313221211113313331333132313331322121111121111133112232321   >>    C3123223313331322121111331333133313231333132212111112111113311223232   <<    C31232233133313221211113313331333132313331322121111121111133112232323   >>      C31232233133313221211113313331333132313331322121111121111133112232322   >>