C1111121111331311211331333133313331313331323223313331323133332321   >>    C111112111133131121133133313331333131333132322331333132313333232   <<    C1111121111331311211331333133313331313331323223313331323133332323   >>      C1111121111331311211331333133313331313331323223313331323133332322   >>