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