C313212111113331323312111133133313331333133313331333133313231333133321123221   >>    C31321211111333132331211113313331333133313331333133313331323133313332112322   <<    C313212111113331323312111133133313331333133313331333133313231333133321123223   >>      C313212111113331323312111133133313331333133313331333133313231333133321123222   >>