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