C132233133112121111331333133313231333132333131211111333132313222211   >>    C13223313311212111133133313331323133313233313121111133313231322221   <<    C132233133112121111331333133313231333132333131211111333132313222213   >>      C132233133112121111331333133313231333132333131211111333132313222212   >>