C232212111133133312331333133313121111331333133312111133133313331333132322221321   >>    C23221211113313331233133313331312111133133313331211113313331333133313232222132   <<    C232212111133133312331333133313121111331333133312111133133313331333132322221323   >>      C232212111133133312331333133313121111331333133312111133133313331333132322221322   >>