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

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

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

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

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