C111123313121111121111331323133313331333132322121111133313331322322133112321   >>    C11112331312111112111133132313331333133313232212111113331333132232213311232   <<    C111123313121111121111331323133313331333132322121111133313331322322133112323   >>      C111123313121111121111331323133313331333132322121111133313331322322133112322   >>