C313212111113331323312111133133313331333133312121111331333211331322331221   >>    C31321211111333132331211113313331333133313331212111133133321133132233122   <<    C313212111113331323312111133133313331333133312121111331333211331322331223   >>      C313212111113331323312111133133313331333133312121111331333211331322331222   >>