C3132121111331312113313331333133313331333132313331312111133133313232321323231   >>    C313212111133131211331333133313331333133313231333131211113313331323232132323   <<    C3132121111331312113313331333133313331333132313331312111133133313232321323233   >>      C3132121111331312113313331333133313331333132313331312111133133313232321323232   >>