C312322331333132212111133133313331323133312111133133323132233131232311   >>    C31232233133313221211113313331333132313331211113313332313223313123231   <<    C312322331333132212111133133313331323133312111133133323132233131232313   >>      C312322331333132212111133133313331323133312111133133323132233131232312   >>