C1111121111331311211331333133313331313331323223313133313113313231   >>    C111112111133131121133133313331333131333132322331313331311331323   <<    C1111121111331311211331333133313331313331323223313133313113313233   >>      C1111121111331311211331333133313331313331323223313133313113313232   >>