C132233133112121111331333133313231333132333131211113313222123321   >>    C13223313311212111133133313331323133313233313121111331322212332   <<    C132233133112121111331333133313231333132333131211113313222123323   >>      C132233133112121111331333133313231333132333131211113313222123322   >>