C132233133112121111331333133313231333133313231133133313111133232321   >>    C13223313311212111133133313331323133313331323113313331311113323232   <<    C132233133112121111331333133313231333133313231133133313111133232323   >>      C132233133112121111331333133313231333133313231133133313111133232322   >>