C1111133313331323223313331333133313113313223313331322331322132333132221   >>    C111113331333132322331333133313331311331322331333132233132213233313222   <<    C1111133313331323223313331333133313113313223313331322331322132333132223   >>      C1111133313331323223313331333133313113313223313331322331322132333132222   >>