C31232233133313221211113313331333132313331211113313331311221121   >>    C3123223313331322121111331333133313231333121111331333131122112   <<    C31232233133313221211113313331333132313331211113313331311221123   >>      C31232233133313221211113313331333132313331211113313331311221122   >>