C31232233133313221211113313331333133313331212111133121111132313233221   >>    C3123223313331322121111331333133313331333121211113312111113231323322   <<    C31232233133313221211113313331333133313331212111133121111132313233223   >>      C31232233133313221211113313331333133313331212111133121111132313233222   >>