C31232233133313221211113313331333132313331322121111331311321321   >>    C3123223313331322121111331333133313231333132212111133131132132   <<    C31232233133313221211113313331333132313331322121111331311321323   >>      C31232233133313221211113313331333132313331322121111331311321322   >>