C3132121111133313233121111331333133313331333133313331333131133132223221   >>    C313212111113331323312111133133313331333133313331333133313113313222322   <<    C3132121111133313233121111331333133313331333133313331333131133132223223   >>      C3132121111133313233121111331333133313331333133313331333131133132223222   >>