(0 19 14 6 4)(1 18 16 15 3)(2 10 8)(5 12 7)(9 13 11)(17 21 20)
ALLOWS (11/8)-SEQUENCE
1: (0 2 4)
(0)(1 18 16 15 3)(2 19 14 6 4 10 8)(5 12 7)(9 13 11)(17 21 20)
2: (1 18 3)
(0)(1)(2 19 14 6 4 10 8)(3 16 15)(5 12 7)(9 13 11)(17 21 20)(18)
3: (2 6 8)
(0)(1)(2)(3 16 15)(4 10 8)(5 12 7)(6 19 14)(9 13 11)(17 21 20)(18)
4: (5 12 7)
(0)(1)(2)(3 16 15)(4 10 8)(5)(6 19 14)(7)(9 13 11)(12)(17 21 20)(18)