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

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

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

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

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