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