C313212111133131211331333133313331333133322121133132313331333132213113212131   >>    C31321211113313121133133313331333133313332212113313231333133313221311321213   <<    C313212111133131211331333133313331333133322121133132313331333132213113212133   >>      C313212111133131211331333133313331333133322121133132313331333132213113212132   >>