C313212111113331323312111133133313331333133313331333133313331333131121312221   >>    C31321211111333132331211113313331333133313331333133313331333133313112131222   <<    C313212111113331323312111133133313331333133313331333133313331333131121312223   >>      C313212111113331323312111133133313331333133313331333133313331333131121312222   >>