C31232233133313221211113313331333133313331212111133131121131332321   >>    C3123223313331322121111331333133313331333121211113313112113133232   <<    C31232233133313221211113313331333133313331212111133131121131332323   >>      C31232233133313221211113313331333133313331212111133131121131332322   >>