C31232233133313221211113313331333133313331212111133132213233122321   >>    C3123223313331322121111331333133313331333121211113313221323312232   <<    C31232233133313221211113313331333133313331212111133132213233122323   >>      C31232233133313221211113313331333133313331212111133132213233122322   >>