C1111133313331323223313331333133313331333131333133313331323133313211   >>    C111113331333132322331333133313331333133313133313331333132313331321   <<    C1111133313331323223313331333133313331333131333133313331323133313213   >>      C1111133313331323223313331333133313331333131333133313331323133313212   >>