C313212111133131211331333133313331333133322121133133313232111321   >>    C31321211113313121133133313331333133313332212113313331323211132   <<    C313212111133131211331333133313331333133322121133133313232111323   >>      C313212111133131211331333133313331333133322121133133313232111322   >>