C132233133112121111331333133313231333133313231133133313133112323232131   >>    C13223313311212111133133313331323133313331323113313331313311232323213   <<    C132233133112121111331333133313231333133313231133133313133112323232133   >>      C132233133112121111331333133313231333133313231133133313133112323232132   >>