C313212111113331323312111133133313331333132233133313331323113121122221   >>    C31321211111333132331211113313331333133313223313331333132311312112222   <<    C313212111113331323312111133133313331333132233133313331323113121122223   >>      C313212111113331323312111133133313331333132233133313331323113121122222   >>