/ _____________ \ / _____________ \ / _____________ \ | / ____ / ___\ | | / ____ / ___\ | | / ____ | | 1 / 19 \/ 33 | 1 I*\/ 3 | 4 | | 1 / 19 \/ 33 | 1 I*\/ 3 | 4 | | 1 / 19 \/ 33 4 | |m + - - - 3 / -- + ------ *|- - - -------| - ------------------------------------|*|m + - - - 3 / -- + ------ *|- - + -------| - ------------------------------------|*|m + - - - 3 / -- + ------ - --------------------| | 3 \/ 27 9 \ 2 2 / _____________| | 3 \/ 27 9 \ 2 2 / _____________| | 3 \/ 27 9 _____________| | / ___\ / ____ | | / ___\ / ____ | | / ____ | | | 1 I*\/ 3 | / 19 \/ 33 | | | 1 I*\/ 3 | / 19 \/ 33 | | / 19 \/ 33 | | 9*|- - - -------|*3 / -- + ------ | | 9*|- - + -------|*3 / -- + ------ | | 9*3 / -- + ------ | \ \ 2 2 / \/ 27 9 / \ \ 2 2 / \/ 27 9 / \ \/ 27 9 /