C3131313233313113313223313223313112113313233313223313231333132223311   >>    C313131323331311331322331322331311211331323331322331323133313222331   <<    C3131313233313113313223313223313112113313233313223313231333132223313   >>      C3131313233313113313223313223313112113313233313223313231333132223312   >>