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