C31232233133313221211113313331333132313331322121111113313311211111213131   >>    C3123223313331322121111331333133313231333132212111111331331121111121313   <<    C31232233133313221211113313331333132313331322121111113313311211111213133   >>      C31232233133313221211113313331333132313331322121111113313311211111213132   >>