C111123313121111121111331333133313231323132322331333131133131121231   >>    C11112331312111112111133133313331323132313232233133313113313112123   <<    C111123313121111121111331333133313231323132322331333131133131121233   >>      C111123313121111121111331333133313231323132322331333131133131121232   >>