C31232233133313221211113313331333133313331212111133332113123323221   >>    C3123223313331322121111331333133313331333121211113333211312332322   <<    C31232233133313221211113313331333133313331212111133332113123323223   >>      C31232233133313221211113313331333133313331212111133332113123323222   >>