C13332313311211113313331333133313331323321333133313221323223321   >>    C1333231331121111331333133313331333132332133313331322132322332   <<    C13332313311211113313331333133313331323321333133313221323223323   >>      C13332313311211113313331333133313331323321333133313221323223322   >>