mridangam:
    0:6   1     2     3     X     O     X     O     |
0:  kpkD_kD N k kpkD_kD N k kpkd_kd n k kpkd_kkpkd_k
1:  kpkD_kD N k _pkD_kD N k kpkd_kd n k _pkD_pkD_pkD