C1111121111331311211331333133313331313331323223313133313113313331322211   >>    C111112111133131121133133313331333131333132322331313331311331333132221   <<    C1111121111331311211331333133313331313331323223313133313113313331322213   >>      C1111121111331311211331333133313331313331323223313133313113313331322212   >>