D21221323131123313131333132233131133131323223313233311232322121
>>
D2122132313112331313133313223313113313132322331323331123232212
<<
D21221323131123313131333132233131133131323223313233311232322123
>>
D21221323131123313131333132233131133131323223313233311232322122
>>