C111123313121111121111331333133313331323132333132322331322131231   >>    C11112331312111112111133133313331333132313233313232233132213123   <<    C111123313121111121111331333133313331323132333132322331322131233   >>      C111123313121111121111331333133313331323132333132322331322131232   >>