C313212111113331323312111133133313331333131212111133133313133221233133313232231   >>    C31321211111333132331211113313331333133313121211113313331313322123313331323223   <<    C313212111113331323312111133133313331333131212111133133313133221233133313232233   >>      C313212111113331323312111133133313331333131212111133133313133221233133313232232   >>