C1111121111331311211331333133313331323132322331333131133112113222331   >>    C111112111133131121133133313331333132313232233133313113311211322233   <<    C1111121111331311211331333133313331323132322331333131133112113222333   >>      C1111121111331311211331333133313331323132322331333131133112113222332   >>