C132233133112121111331333133313331323133313331313331311233132312331   >>    C13223313311212111133133313331333132313331333131333131123313231233   <<    C132233133112121111331333133313331323133313331313331311233132312333   >>      C132233133112121111331333133313331323133313331313331311233132312332   >>