C313212111113331323312111133133313331333133313331333133313113313331323313231   >>    C31321211111333132331211113313331333133313331333133313331311331333132331323   <<    C313212111113331323312111133133313331333133313331333133313113313331323313233   >>      C313212111113331323312111133133313331333133313331333133313113313331323313232   >>