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

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

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

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

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