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