start: \e[ sep: ; end: m
0 1 2 3 4 7 8 9
10 11 12 13 14 15 16 17 18 19
20 21 22 23 24 25 26 27 28 29
30 31 32 33 34 35 36 37 38 39
40 41 42 43 44 45 46 47 48 49
50 51 52 53 54 55 56 57 58 59
60 61 62 63 64 65 66 67 68 69
70 71 72 73 74 75 76 77 78 79
80 81 82 83 84 85 86 87 88 89
90 91 92 93 94 95 96 97 98 99
100 101 102 103 104 105 106 107 108
foreground: \e[38;2;r;g;bm background: \e[48;2;r;g;bm
clear to the end line \e[K
clear to the start line \e[1K
cursor previus n lines and clear \e[nF\e[J
clear screen and move to top corner \e[1;1H\e[J
more at https://en.wikipedia.org/wiki/ANSI_escape_code