C313212111113331323312111133133313331333133313331333133313331331121111331112121   >>    C31321211111333132331211113313331333133313331333133313331333133112111133111212   <<    C313212111113331323312111133133313331333133313331333133313331331121111331112123   >>      C313212111113331323312111133133313331333133313331333133313331331121111331112122   >>