C313212111113331323312111133133313331333133313331333133313331333131312221   >>    C31321211111333132331211113313331333133313331333133313331333133313131222   <<    C313212111113331323312111133133313331333133313331333133313331333131312223   >>      C313212111113331323312111133133313331333133313331333133313331333131312222   >>