C+R_001C+R_002C+R_003C+R_004C+R_005C+R_006C+R_007C+R_008C+R_009C+R_010C+R_011C+R_012C+R_013C+R_014C+R_015C+R_016C+R_017C+R_018C+R_019C+R_020