C313212111113331323312111133133313331333133313331333133313331122212321   >>    C31321211111333132331211113313331333133313331333133313331333112221232   <<    C313212111113331323312111133133313331333133313331333133313331122212323   >>      C313212111113331323312111133133313331333133313331333133313331122212322   >>