C1111233131211111211113313331333133313331322322331312111112111111321132311   >>    C111123313121111121111331333133313331333132232233131211111211111132113231   <<    C1111233131211111211113313331333133313331322322331312111112111111321132313   >>      C1111233131211111211113313331333133313331322322331312111112111111321132312   >>