(0 19 3)(1 7 5)(2 14 13)(4 11 8)(6 15 10)(9 17 12)(16 20 18)
ALLOWS (11/8)-SEQUENCE
1: (6 10 15)

(0 19 3)(1 7 5)(2 14 13)(4 11 8)(6 10 15)(9 17 12)(16 20 18)
2: (4 11 8)

(0 19 3)(1 7 5)(2 14 13)(4)(6 10 15)(8)(9 17 12)(11)(16 20 18)
3: (6 10 15)

(0 19 3)(1 7 5)(2 14 13)(4)(6)(8)(9 17 12)(10)(11)(15)(16 20 18)
4: (1 7 5)

(0 19 3)(1)(2 14 13)(4)(5)(6)(7)(8)(9 17 12)(10)(11)(15)(16 20 18)