C31232233133313221211113313331333133313331212111133133313131121123313331312331   >>    C3123223313331322121111331333133313331333121211113313331313112112331333131233   <<    C31232233133313221211113313331333133313331212111133133313131121123313331312333   >>      C31232233133313221211113313331333133313331212111133133313131121123313331312332   >>