C312322331333132212111133133313331323133313221211111211111331233211   >>    C31232233133313221211113313331333132313331322121111121111133123321   <<    C312322331333132212111133133313331323133313221211111211111331233213   >>      C312322331333132212111133133313331323133313221211111211111331233212   >>