C31232233133313221211113313331333133313331212111111113313221323231   >>    C3123223313331322121111331333133313331333121211111111331322132323   <<    C31232233133313221211113313331333133313331212111111113313221323233   >>      C31232233133313221211113313331333133313331212111111113313221323232   >>