/ ______________ \ / ______________ \ / ______________ \ | / ____ / ___\ | | / ____ / ___\ | | / ____ | | / 1 I*\/ 31 | 1 I*\/ 3 | 4 | | / 1 I*\/ 31 | 1 I*\/ 3 | 4 | | / 1 I*\/ 31 4 | |w + - 2*3 / - + -------- *|- - - -------| - -----------------------------------|*|w + - 2*3 / - + -------- *|- - + -------| - -----------------------------------|*|w + - 2*3 / - + -------- - -------------------| | \/ 2 2 \ 2 2 / ______________ | | \/ 2 2 \ 2 2 / ______________ | | \/ 2 2 ______________| | / ____ / ___\| | / ____ / ___\| | / ____ | | / 1 I*\/ 31 | 1 I*\/ 3 || | / 1 I*\/ 31 | 1 I*\/ 3 || | / 1 I*\/ 31 | | 3 / - + -------- *|- - - -------|| | 3 / - + -------- *|- - + -------|| | 3 / - + -------- | \ \/ 2 2 \ 2 2 // \ \/ 2 2 \ 2 2 // \ \/ 2 2 /