C312322331333132212111133133313331323133313221211113313121123121133121   >>    C31232233133313221211113313331333132313331322121111331312112312113312   <<    C312322331333132212111133133313331323133313221211113313121123121133123   >>      C312322331333132212111133133313331323133313221211113313121123121133122   >>