C313212111113331323312111133133313331333133313331333133313331331121111332223211   >>    C31321211111333132331211113313331333133313331333133313331333133112111133222321   <<    C313212111113331323312111133133313331333133313331333133313331331121111332223213   >>      C313212111113331323312111133133313331333133313331333133313331331121111332223212   >>