C31232233133313221211113313331333132313331322121111332313331311212121   >>    C3123223313331322121111331333133313231333132212111133231333131121212   <<    C31232233133313221211113313331333132313331322121111332313331311212123   >>      C31232233133313221211113313331333132313331322121111332313331311212122   >>