C111123313121111121111331323133313331333132322121111133313332221233132312321   >>    C11112331312111112111133132313331333133313232212111113331333222123313231232   <<    C111123313121111121111331323133313331333132322121111133313332221233132312323   >>      C111123313121111121111331323133313331333132322121111133313332221233132312322   >>