C313212111113331323312111133133313331333133313331333133313331323211232223321   >>    C31321211111333132331211113313331333133313331333133313331333132321123222332   <<    C313212111113331323312111133133313331333133313331333133313331323211232223323   >>      C313212111113331323312111133133313331333133313331333133313331323211232223322   >>