C132233133112121111331333133313231333133313231211113313331323123221231   >>    C13223313311212111133133313331323133313331323121111331333132312322123   <<    C132233133112121111331333133313231333133313231211113313331323123221233   >>      C132233133112121111331333133313231333133313231211113313331323123221232   >>