$D^{B^{C^C}}{D}_{B_{C_C}}{D}_{B_{C_C^C}^{C_C^C}}^{B_{C_C^C}^{C_C^C}}D_{B_{C_C^C}^{C_C^C}}^{B_{C_C^C}^{C_C^C}}$

$D^{B^{C^C}}{D}_{B_{C_C}}{D}_{B_{C_C^C}^{C_C^C}}^{B_{C_C^C}^{C_C^C}}D_{B_{C_C^C}^{C_C^C}}^{B_{C_C^C}^{C_C^C}}$

$D^{D^C}{D}_{D_C}{D}_{D_C^C}^{D_C^C}D_{D_C^C}^{D_C^C}$