C31232233133313221211113313331333132313331322121133131133132313232321311211   >>    C3123223313331322121111331333133313231333132212113313113313231323232131121   <<    C31232233133313221211113313331333132313331322121133131133132313232321311213   >>      C31232233133313221211113313331333132313331322121133131133132313232321311212   >>