C1111133313331323223313331333133313331323131313121111331333132322111   >>    C111113331333132322331333133313331333132313131312111133133313232211   <<    C1111133313331323223313331333133313331323131313121111331333132322113   >>      C1111133313331323223313331333133313331323131313121111331333132322112   >>