C31232233133313221211113313331333132313331322121111331121133112113313122221   >>    C3123223313331322121111331333133313231333132212111133112113311211331312222   <<    C31232233133313221211113313331333132313331322121111331121133112113313122223   >>      C31232233133313221211113313331333132313331322121111331121133112113313122222   >>