C313212111113331323312111133133313331333133313331333133313331333131122233323131   >>    C31321211111333132331211113313331333133313331333133313331333133313112223332313   <<    C313212111113331323312111133133313331333133313331333133313331333131122233323133   >>      C313212111113331323312111133133313331333133313331333133313331333131122233323132   >>