C313212111133131211331333133313331333133313331333133313331333132313112123221   >>    C31321211113313121133133313331333133313331333133313331333133313231311212322   <<    C313212111133131211331333133313331333133313331333133313331333132313112123223   >>      C313212111133131211331333133313331333133313331333133313331333132313112123222   >>