C31232233133313221211113313331333132313331322121111113211323231   >>    C3123223313331322121111331333133313231333132212111111321132323   <<    C31232233133313221211113313331333132313331322121111113211323233   >>      C31232233133313221211113313331333132313331322121111113211323232   >>