C312322331333132212111133133313331323133313221211113313211232311233231   >>    C31232233133313221211113313331333132313331322121111331321123231123323   <<    C312322331333132212111133133313331323133313221211113313211232311233233   >>      C312322331333132212111133133313331323133313221211113313211232311233232   >>