C31232233133313221211113313331333132313331322121111121133132233313231   >>    C3123223313331322121111331333133313231333132212111112113313223331323   <<    C31232233133313221211113313331333132313331322121111121133132233313233   >>      C31232233133313221211113313331333132313331322121111121133132233313232   >>