C3132121111331312113313331333133313331333132313331333133313331333132222222321   >>    C313212111133131211331333133313331333133313231333133313331333133313222222232   <<    C3132121111331312113313331333133313331333132313331333133313331333132222222323   >>      C3132121111331312113313331333133313331333132313331333133313331333132222222322   >>