C11112331312111112111133133313331333131333132312111113331323131322331   >>    C1111233131211111211113313331333133313133313231211111333132313132233   <<    C11112331312111112111133133313331333131333132312111113331323131322333   >>      C11112331312111112111133133313331333131333132312111113331323131322332   >>