C313212111113331323312111133133313331333133313331333133313331333131122112212111   >>    C31321211111333132331211113313331333133313331333133313331333133313112211221211   <<    C313212111113331323312111133133313331333133313331333133313331333131122112212113   >>      C313212111113331323312111133133313331333133313331333133313331333131122112212112   >>