C31232233133313221211113313331333133313331212111133133322332212321   >>    C3123223313331322121111331333133313331333121211113313332233221232   <<    C31232233133313221211113313331333133313331212111133133322332212323   >>      C31232233133313221211113313331333133313331212111133133322332212322   >>