C132233133112121111331333133313331323133313233121111331333212131   >>    C13223313311212111133133313331333132313331323312111133133321213   <<    C132233133112121111331333133313331323133313233121111331333212133   >>      C132233133112121111331333133313331323133313233121111331333212132   >>