C132233133112121111331333133313231333133313231133133313131121231   >>    C13223313311212111133133313331323133313331323113313331313112123   <<    C132233133112121111331333133313231333133313231133133313131121233   >>      C132233133112121111331333133313231333133313231133133313131121232   >>