C313212111113331323312111133133313331333133313331333133313113313331122121   >>    C31321211111333132331211113313331333133313331333133313331311331333112212   <<    C313212111113331323312111133133313331333133313331333133313113313331122123   >>      C313212111113331323312111133133313331333133313331333133313113313331122122   >>