C1111121111331311211331333133313331313331323223313112113313232113311   >>    C111112111133131121133133313331333131333132322331311211331323211331   <<    C1111121111331311211331333133313331313331323223313112113313232113313   >>      C1111121111331311211331333133313331313331323223313112113313232113312   >>