C132233133112121111331333133313331323331333133313231311233133322321   >>    C13223313311212111133133313331333132333133313331323131123313332232   <<    C132233133112121111331333133313331323331333133313231311233133322323   >>      C132233133112121111331333133313331323331333133313231311233133322322   >>