C132233133112121111331333133313121111331333133313231333132213131   >>    C13223313311212111133133313331312111133133313331323133313221313   <<    C132233133112121111331333133313121111331333133313231333132213133   >>      C132233133112121111331333133313121111331333133313231333132213132   >>