C132233133112121111331333133313331323133313233121111121111112221   >>    C13223313311212111133133313331333132313331323312111112111111222   <<    C132233133112121111331333133313331323133313233121111121111112223   >>      C132233133112121111331333133313331323133313233121111121111112222   >>