C111123313121111121111331323133313331333132322121111331331121222321   >>    C11112331312111112111133132313331333133313232212111133133112122232   <<    C111123313121111121111331323133313331333132322121111331331121222323   >>      C111123313121111121111331323133313331333132322121111331331121222322   >>