C3132121111331312113313331333133313231323133313331333132233133323133313222221   >>    C313212111133131211331333133313331323132313331333133313223313332313331322222   <<    C3132121111331312113313331333133313231323133313331333132233133323133313222223   >>      C3132121111331312113313331333133313231323133313331333132233133323133313222222   >>