C3132121111133313233121111331333133313331333133313331323133313331311331323121   >>    C313212111113331323312111133133313331333133313331333132313331333131133132312   <<    C3132121111133313233121111331333133313331333133313331323133313331311331323123   >>      C3132121111133313233121111331333133313331333133313331323133313331311331323122   >>