C111112111133131121133133313331333133313331322121111331333133313231312111112331   >>    C11111211113313112113313331333133313331333132212111133133313331323131211111233   <<    C111112111133131121133133313331333133313331322121111331333133313231312111112333   >>      C111112111133131121133133313331333133313331322121111331333133313231312111112332   >>