C31232233133313221211113313331333133313331212111112111111312111113211321   >>    C3123223313331322121111331333133313331333121211111211111131211111321132   <<    C31232233133313221211113313331333133313331212111112111111312111113211323   >>      C31232233133313221211113313331333133313331212111112111111312111113211322   >>