C3131313233313113313223313223313112113313233313223313231333131111321   >>    C313131323331311331322331322331311211331323331322331323133313111132   <<    C3131313233313113313223313223313112113313233313223313231333131111323   >>      C3131313233313113313223313223313112113313233313223313231333131111322   >>