C31232233133313221211113313331333132313331211113313331333222131   >>    C3123223313331322121111331333133313231333121111331333133322213   <<    C31232233133313221211113313331333132313331211113313331333222133   >>      C31232233133313221211113313331333132313331211113313331333222132   >>