C313212111113331323312111133133313331333133313331333133313332232221   >>    C31321211111333132331211113313331333133313331333133313331333223222   <<    C313212111113331323312111133133313331333133313331333133313332232223   >>      C313212111113331323312111133133313331333133313331333133313332232222   >>