C1111133313331323223313331333133313331323323133112111133133331233132311211321   >>    C111113331333132322331333133313331333132332313311211113313333123313231121132   <<    C1111133313331323223313331333133313331323323133112111133133331233132311211323   >>      C1111133313331323223313331333133313331323323133112111133133331233132311211322   >>