C1111133313331323223313331333133313331323323133112111133133321233133323321   >>    C111113331333132322331333133313331333132332313311211113313332123313332332   <<    C1111133313331323223313331333133313331323323133112111133133321233133323323   >>      C1111133313331323223313331333133313331323323133112111133133321233133323322   >>