C31232233133313221211113313331333133313331212111133132322121332321   >>    C3123223313331322121111331333133313331333121211113313232212133232   <<    C31232233133313221211113313331333133313331212111133132322121332323   >>      C31232233133313221211113313331333133313331212111133132322121332322   >>