C31232233133313221211113313331333133313331212111133132333132232321   >>    C3123223313331322121111331333133313331333121211113313233313223232   <<    C31232233133313221211113313331333133313331212111133132333132232323   >>      C31232233133313221211113313331333133313331212111133132333132232322   >>