C312322331333132212111133133313331323133313221211111231211113313211233211   >>    C31232233133313221211113313331333132313331322121111123121111331321123321   <<    C312322331333132212111133133313331323133313221211111231211113313211233213   >>      C312322331333132212111133133313331323133313221211111231211113313211233212   >>