text: from . import models
  
  BOARD_CONFIGURATION = {
      4: {
          'elcajon': {11, 12, 13},
          'donovan': {17, 19, 21},
          'shafter': {15, 18, 20},
      },
      2: {
          'elcajon': {17, 19, 21},
          'donovan': {15, 18, 20},
          'shafter': {11, 12, 13},
      },
      3: {
          'elcajon': {15, 18, 20},
          'donovan': {11, 12, 13},
          'shafter': {17, 19, 21},
      }
  }
  