C132233133112121111331333133313231333132333131211111211113313121313221   >>    C13223313311212111133133313331323133313233313121111121111331312131322   <<    C132233133112121111331333133313231333132333131211111211113313121313223   >>      C132233133112121111331333133313231333132333131211111211113313121313222   >>