(0 7 4)(1 21 3)(2 16 6)(5 10 8)(9 13 11)(12 17 14)(15 22 18)(19 23 20)
ALLOWS (11/8)-SEQUENCE
1: (2 6 16)

(0 7 4)(1 21 3)(2 6 16)(5 10 8)(9 13 11)(12 17 14)(15 22 18)(19 23 20)
2: (0 7 4)

(0)(1 21 3)(2 6 16)(4)(5 10 8)(7)(9 13 11)(12 17 14)(15 22 18)(19 23 20)
3: (2 6 16)

(0)(1 21 3)(2)(4)(5 10 8)(6)(7)(9 13 11)(12 17 14)(15 22 18)(16)(19 23 20)
4: (1 21 3)

(0)(1)(2)(3)(4)(5 10 8)(6)(7)(9 13 11)(12 17 14)(15 22 18)(16)(19 23 20)(21)