C3132121111133313233121111331333133313331333133313331331121111331322312121   >>    C313212111113331323312111133133313331333133313331333133112111133132231212   <<    C3132121111133313233121111331333133313331333133313331331121111331322312123   >>      C3132121111133313233121111331333133313331333133313331331121111331322312122   >>