C3132121111331312113313331333133313331333132313331333133313231331321   >>    C313212111133131211331333133313331333133313231333133313331323133132   <<    C3132121111331312113313331333133313331333132313331333133313231331323   >>      C3132121111331312113313331333133313331333132313331333133313231331322   >>