C313212111113331323312111133133313331333132233133313331323113121122112112121   >>    C31321211111333132331211113313331333133313223313331333132311312112211211212   <<    C313212111113331323312111133133313331333132233133313331323113121122112112123   >>      C313212111113331323312111133133313331333132233133313331323113121122112112122   >>