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