C313212111113331323312111133133313331333133313331333133313221323211   >>    C31321211111333132331211113313331333133313331333133313331322132321   <<    C313212111113331323312111133133313331333133313331333133313221323213   >>      C313212111113331323312111133133313331333133313331333133313221323212   >>