C132233133112121111331333133313331323133313211211111333112113233231   >>    C13223313311212111133133313331333132313331321121111133311211323323   <<    C132233133112121111331333133313331323133313211211111333112113233233   >>      C132233133112121111331333133313331323133313211211111333112113233232   >>